Jin-Sup Park

Pusan National University, Pusan, Busan, South Korea

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Publications (8)10.21 Total impact

  • Han Cheol Lee, Jae Hoon Choi, Jin-Sup Park
    Global Heart. 03/2014; 9(1):e81.
  • Han Cheol Lee, Jin-Sup Park, Jae Hoon Choi
    Global Heart. 03/2014; 9(1):e11.
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    ABSTRACT: BACKGROUND: Intravenous nicorandil infusion dilates the coronary artery and reduces inflammation, coronary spasm, and arrhythmia. Periprocedural myocardial infarction (PMI) is a frequent and prognostically important complication of percutaneous coronary intervention (PCI). This prospective randomized study was designed to evaluate the efficacy of intracoronary nicorandil on PMI after elective PCI. METHODS AND RESULTS: Eighty-one patients with stable or unstable angina undergoing PCIs of the left anterior descending artery were randomly assigned to the nicorandil group (n=41) or the control group (n=40). In the nicorandil group, 4mg of intracoronary nicorandil was infused prior to PCI. Post-PCI, peak levels of creatine kinase (CK)-MB and troponin I were measured and angiographic findings were analyzed. Side branch status was also assessed. All PCIs were successful. One cerebrovascular infarction and one acute ST segment elevation myocardial infarction with acute stent thrombosis occurred in the nicorandil group. No deaths occurred, and no other major cardiac adverse events were observed in either group over 6 months follow-up. The post-PCI peak CK-MB and troponin I levels were not significantly different between the two groups. There were no significant differences between the nicorandil and control subjects in side branch occlusion or flow reduction, or in the jail index. CONCLUSIONS: Intra-coronary nicorandil infusion had no significant effect on PMI and cardiac enzymes after PCI in patients with stable or unstable angina.
    Journal of Cardiology 05/2013; · 2.57 Impact Factor
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    ABSTRACT: Treatment of critical limb ischemia (CLI) by bypass operation or percutaneous vascular intervention is occasionally difficult. The safety and efficacy of multiple intramuscular adipose tissue-derived mesenchymal stem cells (ATMSC) injections in CLI patients was determined in the study. The study included 15 male CLI patients with ischemic resting pain in 1 limb with/without non-healing ulcers and necrotic foot. ATMSC were isolated from adipose tissue of thromboangiitis obliterans (TAO) patients (B-ATMSC), diabetes patients (D-ATMSC), and healthy donors (control ATMSC). In a colony-forming unit assay, the stromal vascular fraction of TAO and diabetic patients yielded lesser colonies than that of healthy donors. D-ATMSC showed lower proliferation abilitythan B-ATMSC and control ATMSC, but they showed similar angiogenic factor expression with control ATMSC and B-ATMSC. Multiple intramuscular ATMSC injections cause no complications during the follow-up period (mean follow-up time: 6 months). Clinical improvement occurred in 66.7% of patients. Five patients required minor amputation during follow-up, and all amputation sites healed completely. At 6 months, significant improvement was noted on pain rating scales and in claudication walking distance. Digital subtraction angiography before and 6 months after ATMSC implantation showed formation of numerous vascular collateral networks across affected arteries. Multiple intramuscular ATMSC injections might be a safe alternative to achieve therapeutic angiogenesis in patients with CLI who are refractory to other treatment modalities.
    Circulation Journal 04/2012; 76(7):1750-60. · 3.69 Impact Factor
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    ABSTRACT: Aortic rupture has a high mortality rate and can be considered a medical emergency. The standard treatment for aortic rupture is surgical repair. An aortic stent graft for a ruptured descending aorta is considered an effective alternative treatment. However, an aortic stent graft is difficult when the aortic aneurysm is in the aortic arch due to supra-aortic vessels. We report on a patient with a ruptured aortic arch aneurysm treated with a hybrid procedure, which involved a carotid to carotid bypass operation and an aortic stent graft. A 71-year-old male patient visited our cardiovascular center suffering from hemoptysis. The chest CT and aortography showed a 9 cm sized aortic arch aneurysm 0.5 cm distal to the left subclavian artery and a hemothorax in the left lung. The patient refused to undergo a full open operation. We performed a carotid to carotid bypass in advance, and two pieces of aortic stent grafts were placed across the left carotid artery and left subclavian artery. The follow up CT showed the aortic stent grafts, no endoleaks and no thrombus in the aortic arch aneurysm. The patient was discharged from the hospital without complication.
    Korean Circulation Journal 08/2011; 41(8):469-73.
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    ABSTRACT: Patients with acute coronary syndrome without ST-segment elevation (ACS- -NSTE) are at risk for adverse cardiac events. Based on data in the Korean Acute Myocardial Infarction Registry (KAMIR), we analyzed the prognosis according to the timing of percutaneous coronary intervention (PCI) in patients with NSTEMI in Korea. 2,455 patients with NSTEMI in KAMIR were classified according to the time interval from the onset of cardiac symptoms to PCI. Patients in Group I underwent PCI within 24 hours of the onset of symptoms; in Group II between 24 and 48 hours; and in Group III after 48 hours. Major adverse cardiac events (MACEs) are defined as cardiac death, non-cardiac death, myocardial infarction, revascularization and coronary-artery bypass graft surgery. The MACEs were compared between groups. Of the 2,455 patients, 743 (30.2%) were assigned to Group I, 583 (23.7%) to Group II, and 1,129 (45.9%) to Group III. The total incidence of MACEs was higher in Group I than Group III, and similar between Groups I and II (Group I: 15.1%, Group II: 14.4%, Group III: 11.6%, p = 0.053). The incidence of MACEs in the intermediate TIMI risk score group had decreased as the intervention time was delayed. The prognosis according to the timing of PCI in patients with NSTEMI was similar based on the data in KAMIR. TIMI risk score was related to a high incidence of MACEs.
    Cardiology journal 01/2011; 18(4):421-9. · 1.22 Impact Factor
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    ABSTRACT: We investigated the impact of metabolic syndrome (MS) on the occurrence of in-stent restenosis (ISR) and long-term major adverse cardiac events (MACEs), including cardiovascular death, myocardial infarction, and target vessel revascularization (TVR) during a follow-up period of 36 months after percutaneous coronary intervention (PCI) with stent implantation in patients with significant preexisting coronary artery disease. MS was not an independent predictor of increased ISR and MACE after PCI.
    Diabetes research and clinical practice 06/2010; 88(3):e38-41. · 2.74 Impact Factor
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    ABSTRACT: Takayasu's arteritis can involve the ostia of coronary arteries. We report a patient with Takayasu's arteritis involving the ostia of three large coronary arteries who was successfully treated by percutaneous coronary intervention (PCI) with a drug-eluting stent (DES) and had a good clinical outcome after 12 months. A 37-year-old male with unstable angina was admitted to our cardiovascular center. The patient had Takayasu's arteritis and an aortic valve replacement with a metallic valve due to severe aortic regurgitation 7 years previously. Coronary angiography (CAG) showed a 95% discrete eccentric luminal narrowing at the ostia of the large left anterior descending (LAD) and left circumflex (LCX) arteries, and a 99% discrete eccentric luminal narrowing at the ostium of the large right coronary artery (RCA). The patient was treated with prednisolone for 14 days. Two large paclitaxel-eluting stents (PES) were then implanted in the distal left main coronary artery using the kissing stent technique. After 6 months, a CAG did not reveal restenosis or recurrent coronary artery disease. Thus, PCI with a DES for patients with significant coronary involvement secondary to Takayasu's arteritis is an effective and an alternative treatment when coronary bypass grafting is not option.
    Korean Circulation Journal 12/2009; 39(12):551-5.